6.1 Incorporating an FRU into the System with the replacefru Command
69
6.2 Incorporating a Chassis into a Physical Partition 71
6.3 Powering On the Physical Partition Requiring Maintenance 73
6.4 Starting the Entire System 74
6.4.1 Starting the system with an XSCF command 75
6.4.2 Starting the system from the operation panel 75
6.5 Restoring the Chassis 76
6.5.1 Installing the power cord 76
6.5.2 Fixing the cable support 78
6.5.3 Installing the front cover 79
Chapter 7 Maintaining the CPU Memory Units 83
7.1 Configuration of the CPU Memory Units 83
7.2 Before Maintaining a CPU Memory Unit 85
7.2.1 Types of maintenance 85
7.2.2 Maintenance flow 86
7.2.3 Precautions for replacement 87
7.2.4 Precautions for installation 87
7.2.5 Precautions for removal 88
7.3 Enabling the Removal of a CPU Memory Unit 88
7.3.1 Active/Cold maintenance 89
7.3.2 Inactive/Cold maintenance 89
7.3.3 System-stopped maintenance 90
7.4 Removing a CPU Memory Unit 91
7.4.1 Accessing a CPU memory unit 92
7.4.2 Removing the CPU memory unit lower 96
7.4.3 Removing the CPU memory unit upper 98
7.4.4 Removing a PCI Express cable 105
7.5 Installing a CPU Memory Unit 124
7.5.1 Installing a PCI Express cable 124
7.5.2 Installing the CPU memory unit upper 136
Contents v